MIDDLESEX FLORA. 



197 



Ray Grass, 133. 

 Red-top, 130. 

 Reed, 129. 

 Reed Grass, 127. 

 Rhamnaceae, 21. 

 Rhamnus, 21. 

 Rhexia, 39. 

 Rhizoclonium, 156. 

 Rhododendron, 62. 

 Rhodora, 63. 

 Rhodymeuiia. 153. 

 Rhus, 21. 



Rhynchospora, 114. 

 Ribbon Grass, 125. 

 Ribes, 34. 

 Ribgrass, 64. 

 Riccia, 149. 

 Richweed, 72, 91. 

 Rinodina, 170. 

 Riverweed, 90. 

 Rivularia, 162. 

 Robinia, 27. 

 Robin's Plantain, 49. 

 Rock Cress, 6, 7. 

 Rocket, 7, 9, 10. 

 Rock-rose, 12. 

 Roman Wormwood, 51. 

 Rosa, 33. 

 Rosaceae, 30. 

 Rose, 33. 

 Rose Acacia, 27. 

 Rose Mallow, 18. 

 Rosin-weed, 51. 

 Roxbury Waxwork, 22. 

 Royal Fern, 137. 

 Rubiacese, 44. 

 Rubus, 32. 

 Rudbeckia, 52. 

 Rue, 20. 

 Rumex, 88. 

 Ruppia, 99. 

 Rush, 109. 

 Rutaceae, 20. 

 Rye, 133, 134. 



Rye Grass, 133. 



Sabbatia, 80. 

 Sacheria, 153. 

 Sagina, 16. 

 Sagittaria, 102. 

 Salicaceae, 94. 

 Salicornia, 84. 

 Salix, 94, 

 Salsola, 85. 

 Salt Grass, 124. 

 Salt-marsh Fleabane, 51. 

 Salt-marsh Grass, 124. 

 Saltwort, 85. 

 Salvia, 72. 

 Sambucus, 44. 

 Samolus, 66. 

 Samphire, 84. 

 Sandal wood, 89. 

 Sand Grass, 129. 

 Sandwort, 15. 

 Sanguinaria, 5. 

 Sanicula, 40. 

 Santalacese, 89. 

 Sapindaceae, 22. 

 Saponaria, 14. 

 Sarracenia, 4. 

 Sarraceniaceae, 4. 

 Sarsaparilla, 42. 

 Sassafras, 89. 

 Satureia, 71. 

 Savin, 97. 

 Saxifraga, 35. 

 Saxilragaceae, 34. 

 Saxifrage, 35. 

 Scheuchzeria, 101. 

 Scapania, 150. 

 Scarlet-fruited Thorn, 34. 

 Scilla, 108. 

 Scirpus, 113. 

 Scleranthus, 17. 

 Scleria, 114. 

 Scouring-rush, 135. 

 Scrophularia, 68. 



